Dropdownlist1 is not a member....

How can it not be a member? It's in the intellisense. I need to understand how I'm accessing control variables in the aspx page. 
This is from the code behind page and the page:


  Protected Sub Button_Click(ByVal sender As Object, ByVal e As ImageClickEventArgs)         Dim amt As Int32         amt = Me.DropDownList1.SelectedIndex

Protected Sub Button_Click(ByVal sender As Object, ByVal e As ImageClickEventArgs) Dim amt As Int32 amt = M ...